Gases | STG (stg2.airgas.com)

We use cookies to improve your browsing experience and help us improve our websites. By continuing to use our website, you agree to our use of such cookies. Agree Learn more

Need an Account? Register or Login

One Time Payment | Need an Account? Register or Login

Find A Branch
Customer Service
SDS Search
Careers

Switch Account
Dashboard

Skip to main content

To see product availability

Enter a Delivery Zip Code

Need an Account? Register or Login

One Time Payment | Need an Account? Register or Login

Find A Branch
Customer Service
SDS Search
Careers

×

To see product availability

Enter a Delivery Zip Code

Shop
Industries
Solutions
Resources

TELL US MORE

To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account

Zip Code should not be blank Email and Password should not be blank

Enter Delivery Zip Code

or

Log In

Email Address

Password Show Hide

LOG IN

Forgot Password?

Need an Account? Register

TELL US MORE

Are you currently located in California?

8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)

Password cannot contain space

Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.

No

Yes

Have an account?Login

Gases
Gas Equipment
Welding Products
Safety Products
Tools & Hardware

#1 Promotion Text #1
View All

Home/
Category Page/
Gases

Results For:
By Category
Gases
Gas Comp Amount1
16.0000000 9.0000000 17

Narrow Results:

By Category
Mixed Gases (12)

Cylinder Size
dqa test cylinder size business facet 1 (6)

dqa test cylinder size business facet 2 (6)

DQA test cyl size bus facet 1 (1)

DQA test cyl size bus facet 2 (1)

business facet 1 (1)

business facet 2 (1)

CGA Connection
660 (3)

590 | 590 (1)

Gas Comp Amount1
9900.0000000 (1)

4800.0000000 (1)

4000.0000000 (1)

2750.0000000 (1)

2500.0000000 (1)

2300.0000000 (1)

2000.0000000 (2)

1800.0000000 (2)

1600.0000000 (1)

930.0000000 (1)

900.0000000 (2)

850.0000000 (1)

800.0000000 (1)

720.0000000 (1)

500.0000000 (2)

481.0000000 (1)

450.0000000 (2)

400.0000000 (1)

385.0000000 (2)

360.0000000 (2)

300.0000000 (1)

275.0000000 (2)

270.0000000 (2)

255.0000000 (1)

250.0000000 (4)

200.0000000 (1)

180.0000000 (4)

170.0000000 (1)

150.0000000 (3)

125.0000000 (1)

110.0000000 (2)

99.9940000 (8)

99.9500000 (7)

99.9000000 (6)

99.9960000 (6)

99.9980000 (6)

99.9991000 (6)

99.9700000 (5)

99.9910000 (5)

99.9920000 (5)

99.9989000 (5)

99.9996000 (5)

99.9800000 (4)

99.9945000 (4)

99.9955000 (4)

99.9994500 (4)

99.9999000 (4)

99.9600000 (3)

99.9820000 (3)

99.9835000 (3)

99.9880000 (3)

99.9915000 (3)

99.9925000 (3)

99.9959000 (3)

99.9970000 (3)

99.9973000 (3)

99.9987500 (3)

99.9994000 (3)

99.9999900 (3)

99.9650000 (2)

99.9705000 (2)

99.9750000 (2)

99.9770000 (2)

99.9865000 (2)

99.9935000 (2)

99.9936000 (2)

99.9944000 (2)

99.9946000 (2)

99.9957500 (2)

99.9972000 (2)

99.9972500 (2)

99.9974000 (2)

99.9982000 (2)

99.9983000 (2)

99.9985000 (2)

99.9988000 (2)

99.9992000 (2)

99.9993500 (2)

99.9995900 (2)

99.9997000 (2)

99.9997500 (2)

99.9998000 (2)

99.9998100 (2)

99.9999600 (2)

99.9999700 (2)

99.9999800 (2)

99.9999850 (2)

99.9010000 (1)

99.9020000 (1)

99.9025000 (1)

99.9075000 (1)

99.9156000 (1)

99.9200000 (1)

99.9243000 (1)

99.9259000 (1)

99.9312500 (1)

99.9320000 (1)

99.9383000 (1)

99.9394000 (1)

99.9400000 (1)

99.9484000 (1)

99.9515000 (1)

99.9520000 (1)

99.9535000 (1)

99.9550800 (1)

99.9585000 (1)

99.9623000 (1)

99.9630000 (1)

99.9640000 (1)

99.9670000 (1)

99.9688000 (1)

99.9730000 (1)

99.9748000 (1)

99.9756000 (1)

99.9760000 (1)

99.9765000 (1)

99.9775000 (1)

99.9794000 (1)

99.9806400 (1)

99.9810000 (1)

99.9815000 (1)

99.9829000 (1)

99.9830000 (1)

99.9839000 (1)

99.9840000 (1)

99.9860000 (1)

99.9863000 (1)

99.9885000 (1)

99.9890000 (1)

99.9895000 (1)

99.9917400 (1)

99.9926000 (1)

99.9938000 (1)

99.9953000 (1)

99.9956000 (1)

99.9957000 (1)

99.9958000 (1)

99.9961000 (1)

99.9962500 (1)

99.9963000 (1)

99.9965000 (1)

99.9968000 (1)

99.9976000 (1)

99.9981000 (1)

99.9986000 (1)

99.9991500 (1)

99.9993000 (1)

99.9993600 (1)

99.9995600 (1)

99.9996100 (1)

99.9997400 (1)

99.9998600 (1)

99.9998720 (1)

99.9998920 (1)

99.9999200 (1)

99.9999400 (1)

99.9999500 (1)

99.9999750 (1)

99.9999960 (1)

99.8980000 (3)

99.8000000 (2)

99.8110000 (2)

99.8985000 (2)

99.8988000 (2)

99.8200000 (1)

99.8375000 (1)

99.8450000 (1)

99.8500000 (1)

99.8800000 (1)

99.8900000 (1)

99.8915000 (1)

99.8918000 (1)

99.8920000 (1)

99.8925000 (1)

99.8940000 (1)

99.8950000 (1)

99.8960000 (1)

99.8962500 (1)

99.8983000 (1)

99.8989000 (1)

99.8990000 (1)

99.8990200 (1)

99.8991500 (1)

99.8994000 (1)

99.7900000 (2)

99.7000000 (1)

99.7500000 (1)

99.7950000 (1)

99.7957500 (1)

99.7987500 (1)

99.6000000 (4)

99.6155000 (1)

99.5000000 (2)

99.4000000 (3)

99.4800000 (2)

99.3065000 (1)

99.3484400 (1)

99.2000000 (1)

99.2500000 (1)

98.9000000 (1)

98.9480000 (1)

98.9500000 (1)

98.9950000 (1)

98.6500000 (2)

98.5000000 (2)

98.0100000 (1)

97.9000000 (1)

97.9990000 (1)

97.8000000 (1)

97.8900000 (1)

97.5000000 (11)

97.2000000 (1)

96.7300000 (1)

96.5000000 (2)

96.4950000 (1)

96.3000000 (1)

96.2500000 (1)

95.9100000 (2)

95.9200000 (1)

95.9910000 (1)

95.9984000 (1)

95.8995000 (1)

95.5500000 (1)

94.9810000 (1)

94.9944000 (1)

94.9958000 (1)

94.5000000 (5)

93.9980000 (1)

93.6700000 (1)

93.0000000 (7)

92.7500000 (1)

92.5000000 (3)

91.9200000 (1)

91.9920000 (1)

91.5000000 (3)

91.0000000 (8)

90.9580000 (1)

90.7050000 (1)

90.5000000 (1)

90.5290000 (1)

90.4900000 (1)

89.9900000 (2)

89.9840000 (1)

89.9945000 (1)

89.9950000 (1)

89.9990000 (1)

89.5000000 (3)

89.4900000 (1)

89.0000000 (3)

88.9800000 (2)

88.9500000 (1)

88.9905000 (1)

88.9950000 (1)

88.7500000 (1)

88.5000000 (2)

88.0000000 (10)

87.9957000 (1)

87.5000000 (2)

87.4665000 (1)

87.3865000 (1)

87.2960000 (1)

87.0000000 (2)

86.6000000 (1)

86.5000000 (1)

86.4970000 (1)

86.2470000 (1)

86.2500000 (1)

86.0000000 (7)

85.9895000 (1)

85.5000000 (1)

85.4950000 (1)

85.3540000 (1)

85.3940000 (1)

84.9900000 (3)

84.9985000 (1)

84.9990000 (1)

84.0000000 (6)

83.5420000 (2)

83.4900000 (1)

83.0000000 (8)

82.5000000 (3)

82.4900000 (1)

82.0000000 (10)

81.9820000 (1)

81.6200000 (1)

81.2925000 (1)

81.1000000 (1)

81.0000000 (5)

80.5000000 (1)

80.4750000 (1)

79.9900000 (2)

79.9800000 (1)

79.4900000 (2)

79.4975000 (1)

79.1000000 (5)

79.0000000 (7)

79.0950000 (1)

78.9400000 (1)

78.7160000 (1)

78.6000000 (1)

78.4000000 (2)

78.4895000 (1)

78.4900000 (1)

78.2000000 (2)

78.0000000 (6)

77.9900000 (1)

77.9907000 (1)

77.9945000 (1)

77.8950000 (1)

77.5000000 (2)

77.4955000 (1)

77.3200000 (1)

77.0000000 (1)

76.5000000 (2)

76.0000000 (2)

75.2400000 (1)

74.9000000 (2)

74.9500000 (1)

74.7000000 (1)

74.5000000 (1)

73.0000000 (2)

72.9940000 (1)

72.5000000 (1)

72.0000000 (2)

71.9988000 (1)

71.0000000 (1)

70.7000000 (1)

69.8500000 (1)

69.7300000 (1)

69.6000000 (3)

69.5000000 (1)

69.2200000 (1)

69.0000000 (2)

68.0000000 (6)

67.9920000 (1)

67.6000000 (1)

67.0000000 (3)

66.0000000 (7)

64.5000000 (1)

64.0000000 (2)

63.5000000 (1)

63.0000000 (7)

62.5000000 (1)

62.0000000 (2)

61.0000000 (1)

59.9826000 (1)

59.0000000 (1)

58.0000000 (4)

57.0000000 (1)

56.8000000 (1)

54.1000000 (1)

52.0000000 (6)

51.5000000 (1)

51.0000000 (1)

50 (1)

49.6000000 (1)

49.0000000 (3)

48.2000000 (1)

48.0000000 (3)

47.5000000 (1)

47.0000000 (1)

45.1000000 (1)

45.0000000 (7)

43.5000000 (1)

43.0000000 (1)

42.5000000 (1)

42.0000000 (3)

39.0000000 (1)

38.0000000 (2)

37.2000000 (1)

35.8392000 (1)

35.4392000 (1)

34.0000000 (1)

33.0000000 (2)

32.5000000 (1)

31.7000000 (1)

31.2500000 (2)

31.0000000 (1)

30.0500000 (1)

29.2000000 (1)

29.0000000 (1)

28.0000000 (3)

27.5000000 (2)

27.0000000 (2)

25 (1)

24.4696500 (1)

24.0000000 (1)

23.0000000 (3)

22.5000000 (6)

22.0000000 (4)

21.0000000 (8)

20.9000000 (3)

20.9400000 (2)

20.8000000 (1)

20.5000000 (1)

19.7000000 (1)

19.0000000 (1)

18.5000000 (1)

18.0000000 (9)

17.0000000 (4)

15.6000000 (1)

14.0000000 (2)

13.7500000 (1)

13.5000000 (2)

13.0000000 (1)

12.0000000 (6)

11.5000000 (2)

11.0000000 (2)

10.5000000 (2)

10 (1)

8.5000000 (2)

8.0000000 (11)

8 (1)

7.5000000 (2)

7.0000000 (8)

6.2500000 (1)

6.0000000 (6)

5.5000000 (3)

5 (1)

4.5000000 (1)

3.5000000 (2)

3.4000000 (2)

3.1400000 (1)

3.0000000 (7)

1.7000000 (2)

1.2500000 (1)

0.9000000 (1)

0.9500000 (1)

0.7000000 (2)

0.6000000 (3)

0.6100000 (1)

0.5000000 (3)

0.4000000 (3)

0.4200000 (1)

0.3000000 (8)

0.3500000 (1)

0.3750000 (1)

0.2000000 (1)

0.1000000 (2)

(1)

Gas Comp 2
% NITROGEN (5)

% AIR (1)

% ARGON (1)

% CARBON DIOXIDE (1)

% OXYGEN (1)

% Tetrafluormethane (R14) (1)

PPM CARBON MONOXIDE (1)

PPM NITRIC OXIDE (1)

Gas Comp Amount2
99.9975000 (1)

99.9991000 (1)

99.7991000 (1)

91.0000000 (2)

84.0000000 (2)

83 (1)

80.0000000 (1)

15.0000000 (1)

9.0000000 (1)

4.0000000 (1)

Gas Comp 3
% NITROGEN (3)

% CARBON DIOXIDE (1)

PPM NITRIC OXIDE (1)

PPM OXYGEN (1)

Gas Comp Amount3
2000.0000000 (1)

99.9976000 (1)

99.9982000 (1)

80.0000000 (1)

9.0000000 (1)

4.0000000 (1)

Compare Products Up to 4

Gases

Sort by:

E03NI99E15A03N0

9PPM Carbon Monoxide 9PPM Nitric Oxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Carbon Monoxide 9PPM Nitric Oxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Compare

9PPM Carbon Monoxide 9PPM Nitric Oxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Carbon Monoxide 9PPM Nitric Oxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Carbon Monoxide 9PPM Nitric Oxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A03N0

E03NI99E15A0541

9PPM Nitric Oxide 16PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Nitric Oxide 16PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Compare

9PPM Nitric Oxide 16PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Nitric Oxide 16PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Nitric Oxide 16PPM Carbon Monoxide Balance Nitrogen EPA Protocol Gas Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A0541

X02NI91C15A2147

9% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

9% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

9% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

9% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

9% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150A Aluminum Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:X02NI91C15A2147

NI OX16CD4E

Nitrogen 80 Ox 16 Cd 4 Size E CGA-590

Nitrogen 80 Ox 16 Cd 4 Size E CGA-590

Show Full Description Hide Full Description

Compare

Nitrogen 80 Ox 16 Cd 4 Size E CGA-590

Nitrogen 80 Ox 16 Cd 4 Size E CGA-590

Nitrogen 80 Ox 16 Cd 4 Size E CGA-590

Show Full Description Hide Full Description

Airgas Part #:NI OX16CD4E

E03NI99E15A03J4

9PPM Nitric Oxide 15PPM Carbon Monoxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Nitric Oxide 15PPM Carbon Monoxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Compare

9PPM Nitric Oxide 15PPM Carbon Monoxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Nitric Oxide 15PPM Carbon Monoxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

9PPM Nitric Oxide 15PPM Carbon Monoxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150A Aluminum Cylinder, CGA-660

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A03J4

OX CD16E

Oxygen 84 Cd 16 Size E CGA-540

Oxygen 84 Cd 16 Size E CGA-540

Show Full Description Hide Full Description

Compare

Oxygen 84 Cd 16 Size E CGA-540

Oxygen 84 Cd 16 Size E CGA-540

Oxygen 84 Cd 16 Size E CGA-540

Show Full Description Hide Full Description

Airgas Part #:OX CD16E

X02AI99C15A49F4

Ct 9PPM Hydrogen Sulfide Balance Air Size 150A Certified Standard-spec CGA 330 **approved**

Ct 9PPM Hydrogen Sulfide Balance Air Size 150A Certified Standard-spec CGA 330 approved

Show Full Description Hide Full Description

Compare

Ct 9PPM Hydrogen Sulfide Balance Air Size 150A Certified Standard-spec CGA 330 **approved**

Ct 9PPM Hydrogen Sulfide Balance Air Size 150A Certified Standard-spec CGA 330 **approved**

Ct 9PPM Hydrogen Sulfide Balance Air Size 150A Certified Standard-spec CGA 330 approved

Show Full Description Hide Full Description

Airgas Part #:X02AI99C15A49F4

E03NI99E15A0055

Ep 9PPM Nitrogen Dioxide 2000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 9PPM Nitrogen Dioxide 2000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Compare

Ep 9PPM Nitrogen Dioxide 2000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 9PPM Nitrogen Dioxide 2000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Ep 9PPM Nitrogen Dioxide 2000PPM Oxygen Balance Nitrogen Size 150A Epa Protocol Standard CGA 660

Show Full Description Hide Full Description

Airgas Part #:E03NI99E15A0055

X02RD83C200F793

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

Show Full Description Hide Full Description

Compare

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

17% Oxygen Balance R14 Tetrafluoromethane Certified Standard Mixture, Size 200 Cylinder, CGA-590

Show Full Description Hide Full Description

Airgas Part #:X02RD83C200F793

NI OX9C63

Industrial 9% Oxygen Balance Nitrogen Size 300 6PK Industrial-mix CGA-590

Industrial 9% Oxygen Balance Nitrogen Size 300 6PK Industrial-mix CGA-590

Show Full Description Hide Full Description

Compare

Industrial 9% Oxygen Balance Nitrogen Size 300 6PK Industrial-mix CGA-590

Industrial 9% Oxygen Balance Nitrogen Size 300 6PK Industrial-mix CGA-590

Industrial 9% Oxygen Balance Nitrogen Size 300 6PK Industrial-mix CGA-590

Show Full Description Hide Full Description

Airgas Part #:NI OX9C63

AR CD16300C

Industrial 16% Carbon Dioxide Balance Argon Size 300 Customer Owned CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 300 Customer Owned CGA-580

Show Full Description Hide Full Description

Compare

Industrial 16% Carbon Dioxide Balance Argon Size 300 Customer Owned CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 300 Customer Owned CGA-580

Industrial 16% Carbon Dioxide Balance Argon Size 300 Customer Owned CGA-580

Show Full Description Hide Full Description

Airgas Part #:AR CD16300C

Z03NI805D1111

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE D LUNG DIFFUSION CGA973

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE D LUNG DIFFUSION CGA973

Show Full Description Hide Full Description

Compare

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE D LUNG DIFFUSION CGA973

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE D LUNG DIFFUSION CGA973

LD 4% CARBON DIOXIDE 16% OXYGEN BALANCE NITROGEN SIZE D LUNG DIFFUSION CGA973

Show Full Description Hide Full Description

Airgas Part #:Z03NI805D1111

Gas Supply

Gas Supply Modes
Bulk
Cylinders
Dynamic On-site Mixer
Jobsite Skid
Liquid Cylinders
MicroBulk
On-site Generation - FLOXAL

Solutions

Airgas Dry Ice
eBusiness Solutions
Red-D-Arc
Safety Solutions
Supply Chain Solutions
Welding Automation
Welding Efficiency

Industries

Airgas Healthcare
Beverage
Construction
Energy & Chemicals
Food
Life Sciences
Metal Fabrication
Primary Materials
Retail

Resources

Airgas Outlet
Catalogs
COA Search
FAQs
Offers & Rebates
Safety Notices
SDS Search
Tutorials
User Guides

Our Company

Careers
Events
Mergers & Acquisitions
Newsroom
Overview
Sustainability
Visit Parent Company

Contact

Connect with Sales
Customer Service
Find a Branch
Emergency Response

Login
Register
Shop Products
Find A Branch
Industries
Solutions
Customer Service
Search Careers
Newsroom

© 2023 Airgas, Inc. All Rights Reserved.
|Customer Service ||Privacy Policy ||Terms & Conditions ||Terms of Sale ||Do Not Sell/Share My Personal Information ||Mobile App Policy ||Website Accessibility ||Return Policy |

E4CF8403F6FD7920E38BB73660EE60EE